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  <title>网页界面</title>
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  <h1>一级标题</h1>
  <h2>二级标题</h2>
  <hgroup>
    <h3>三级标题</h3>
    <h4>四级标题</h4>
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  <p>段落标签</p>
  <p>段落标签2</p>
  <p>今天天气<em>真</em>不错</p>
  鲁迅说
  <blockquote>
    我说过这话
  </blockquote>
  子曰<q>学而时习之，不亦说乎</q>
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